Linux Admin Jobs in Denver, CO

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Senior Platform Engineer (Apache NiFi & Linux Focus)

Tror

•

Denver, Colorado, USA

Contract, Third Party

Role: Senior Platform Engineer (Apache NiFi & Linux Focus) Location: - St. Louis, Missouri/Denver Colorado Duration: Long Term Position Overview: We are seeking a highly skilled Senior Platform Engineer specializing in Apache NiFi administration and Linux systems. This role involves designing, deploying, and maintaining robust data flow solutions and ensuring operational stability across our platform infrastructure. Key Responsibilities: Administer, configure, and optimize Apache NiFi cluste
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Posted 1 day ago | Updated 10 hours ago

Senior Linux Systems Administrator - 10k Sign on Bonus

Leidos

•

Aurora, Colorado, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immed
Posted 1 day ago | Updated 9 hours ago

Systems Administrator

TEKsystems c/o Allegis Group

•

Aurora, Colorado, USA

Full-time

**Requires a Security Clearance (Please do not apply if you don't have a clearance.)** Top Skills' Details 1. 5+ years of experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI classified environment 2. VMware and ESXi (6.x or higher) configuration and management experience 3. Group Policies (GPOs) experience; Active Directory management experience 4. Active Security Clearance: TS with SCI and full scope Poly 5. Must have a DOD 8570 IAT Level 2 baseline certification (ex
Posted 7 days ago | Updated 6 hours ago

Sr. Principal Linux System Administrator

Raytheon

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-01 Country: United States of America Location: CO108: 16201 East Centretech Parkway 16201 East Centretech Parkway Building S78, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph Sr. Principal Linux System Administrator - Aurora, CO, must have an active TS/SCI CI Poly
Posted 16 days ago | Updated 1 hour ago

DevSecOps Engineer

Vaco by Highspring

•

Remote

Full-time

DevSecOps Engineer Remote Role Responsibilities: Linux Systems Admin experience (RHEL/Ubuntu preferred) A minimum of 7 years of experience.Docker/Kubernetes/Container experience (Azure Kubernetes preferred)Scripting and Automation experience (Python, PowerShell, BASH preferred)Securing Linux and Containers experienceSecuring Azure and Cloud Systems experienceNFS Systems Admin experience (NFS on RHEL and NetApp preferred)Change Management experiencePractical understanding of networkingBasic Qual
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Posted 16 days ago

Principal Linux System Administrator

Raytheon

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-07 Country: United States of America Location: CO108: 16201 East Centretech Parkway 16201 East Centretech Parkway Building S78, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph Principal Linux System Administrator - Aurora, CO, must have an active TS/SCI CI Poly clea
Posted 35 days ago | Updated 1 hour ago

Linux Administrator with VMware NSX Experience

K Source Inc

•

Remote

Third Party, Contract

Hi , This is Sagar from KSource Inc. We have an excellent job opportunity for you below is the JD please have a look. Job Title: Linux Administrator with VMware NSX Experience Location: Remote (Columbus, OH) Duration: 12+ months contract Job Summary: We are seeking a skilled Linux System Administrator with hands-on experience in VMware NSX to support, maintain, and enhance our enterprise infrastructure. The ideal candidate will be responsible for managing Linux systems and virtual network enviro
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Posted 4 days ago

Unix / Linux System Administrator with DevOps

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Unix / Linux System Administrator with DevOps LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated **Unix / Linux System Administrator with DevOps** expertise to join our team and manage the infrastructure that supports our applications and services. In this role, you will be responsible for maintaining, automating, and optimizing our Unix and Linux-based systems while integrating Dev
Posted 60+ days ago | Updated 8 hours ago

Linux Administrator

Kforce Technology Staffing

•

Remote or Houston, Texas, USA

Contract

RESPONSIBILITIES: Kforce is seeking a dedicated and experienced Linux Administrator to join our infrastructure team in Houston, TX. This role is ideal for someone who thrives in a collaborative environment, takes ownership of their work, and is passionate about delivering reliable systems support. The ideal candidate will have a strong background in Linux systems administration, particularly with CentOS, and a proactive, communicative approach to teamwork. Responsibilities: * Manage and maintai
Posted 8 days ago | Updated 1 hour ago

Principal Linux Engineer

Kforce Technology Staffing

•

Remote or Draper, Utah, USA

Contract

RESPONSIBILITIES: Kforce's client in Draper, UT is seeking a Principal Linux Engineer to take full ownership of their enterprise Linux environment across on-premises and cloud infrastructure. Summary: Working alongside other principal-level engineers, you will be the most senior Linux specialist on the team. This is a hands-on role focused on standardizing, automating, and securing the Linux fleet. Architecture experience is a plus, but this is not an architecture or leadership role - it's about
Posted 1 day ago | Updated 1 hour ago

Sr. Systems Engineer, Virtualization/Linux Engineering

Visa Inc.

•

Highlands Ranch, Colorado, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 24 days ago | Updated 9 hours ago

Linux System Administrator

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Linux System Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled Linux Systems Administrator to join our team and play a vital role in managing and maintaining our Linux-based infrastructure. In this position, you will be responsible for deploying, configuring, monitoring, and troubleshooting Linux servers to ensure optimal performance, reliability, and security. You
Posted 60+ days ago | Updated 9 hours ago

Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, CO

Lockheed Martin Corporation

•

Remote or Highlands Ranch, Colorado, USA

Full-time

Job Description Lockheed Martin's Enterprise Business & Digital Transformation (EBDT) organization employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries.
Posted 7 days ago | Updated 8 hours ago

Linux Systems Administrator

NTT DATA Americas, Inc

•

Remote or Canton, Massachusetts, USA

Contract

Company Overview: Req ID: 331085 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. NTT DATA's Client is currently seeking a Linux Systems Administrator to join their team in REMOTE, Massachusetts (US-MA), United States (US). Job Description: Daily Responsibilities System Replacement Advisory Services. Develop system replacement approach and plan for
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Posted 23 days ago | Updated moments ago

Linux Systems Administrator (Operations)

General Dynamics

•

Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux Infrastructure, Linux Security, Linux Shell Scripting, Linux Support Certifications: None Experience: 5 + years of related experience ship Required: No Job Description: Linux Systems Administrator (Operations) Transform technology into opportunity as a Linux Systems
Posted 4 days ago | Updated 9 hours ago

Linux System Administrator (NETPLAN)

Eclaro

•

Remote

Contract

ECLARO is a company that delivers talent. We provide fully customizable, comprehensive talent acquisition and management of seasoned professionals through a number of business models, including: Consulting, Professional Hire, Global Integrated Delivery and Managed Services. Kindly email with a Word resume along with the position ID number, your hourly rate and availability. Job Title: Linux System Administrator Location: Remote Duration: 6 Months (Contract) $60/hour W2 25-04495 Preferred Backg
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Posted 42 days ago | Updated 18 days ago

Linux on Z/LinuxONE Consultant (Remote)

Kforce Technology Staffing

•

Remote or Armonk, New York, USA

Contract

RESPONSIBILITIES: Kforce has a client that is looking for a Linux on Z/LinuxONE Consultant. This position is remote and is scheduled for a year in duration with the possibility of extension. REQUIREMENTS: * 7+ years of experience deploying and/or administering Linux on IBM zSystems or LinuxONE * 5+ years of experience working with Redhat, Canonical Ubuntu, or SUSE Linux distributions * 5+ years of experience working with Redhat OpenShift * 5+ years of experience in client-facing communications,
Posted 3 days ago | Updated 1 hour ago

System Administrator

BCforward

•

Remote

Contract

System Administrator BCforward is currently seeking a highly motivated System Administrator for a remote opportunity! Position Title: System Administrator Location: Remote Anticipated Start Date: ASAP Please note this is the target date and is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: Initial 6 month-contract Job Type: Contract Pay Range: $46/hr-$50/hr Please note that actual compensation may vary within this range due to fact
Posted 19 days ago | Updated 2 hours ago

SRE (Linux / Golang Automation)

Bayside Solutions

•

Remote

Contract

Site Reliability Engineer (Linux / Golang Automation) W2 Contract Salary Range: $124,800 - $145,600 per year Location: Remote Role - PST Job Summary: We require a Site Reliability Engineer with a strong background and experience supporting extensive virtualization and Linux compute platforms. Requirements and Qualifications: Experience automating with Golang Experience with Infrastructure as a Service orchestration tools (OpenStack, CloudStack, etc.) Strong experience supporting Linux and
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Posted 8 days ago | Updated 2 hours ago

DevOps Systems Administrator

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

DevOps Systems Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly motivated and skilled **DevOps Systems Administrator** to join our team and play a crucial role in streamlining our development and operations processes. In this role, you will manage and maintain our infrastructure, ensuring smooth and efficient deployment pipelines, automating workflows, and enhancing system reliabili
Posted 60+ days ago | Updated 9 hours ago